amdgpu_fence_free(9)
β¨ amdgpu_fence_free(9) β a lil' page from the Kernel API Manual, bestie β¨
Okay so real talk, this is one of those tiny-but-iconic functions and honestly? She ate. Let's get into it π
πΈ NAME πΈ
amdgpu_fence_free β frees up the fence memory. That's it, that's the whole job. Lowkey a legend for it π«Ά
π¦ SYNOPSIS π¦
void amdgpu_fence_free (struct rcu_head *rcu );
Return type is void, meaning she gives you nothing back, and she's not sorry about it. Main character energy fr π
π ARGUMENTS π
rcuβ the RCU callback head. Yes, that's the RCU head. She's the whole reason we're here β¨
π DESCRIPTION π
So basically: this frees up the fence memory after the RCU grace period has passed. Not before, not during β after, bestie. Timing is everything, iykyk π§
Periodt. The grace period has to happen first, no skipping the line π
π SEE ALSO π
The source of truth lives right here in the kernel files:
- Kernel file
./drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
And a whole little squad of fence friends, all of them iconic, all of them linked:
amdgpu_fence_write(9)amdgpu_fence_read(9)amdgpu_fence_emit(9)amdgpu_fence_emit_polling(9)amdgpu_fence_schedule_fallback(9)amdgpu_fence_process(9)amdgpu_fence_fallback(9)amdgpu_fence_wait_empty(9)amdgpu_fence_wait_polling(9)amdgpu_fence_count_emitted(9)amdgpu_fence_last_unsignaled_time_us(9)amdgpu_fence_update_start_timestamp(9)amdgpu_fence_driver_start_ring(9)amdgpu_fence_driver_init_ring(9)amdgpu_fence_driver_sw_init(9)amdgpu_fence_need_ring_interrupt_restore(9)amdgpu_fence_driver_hw_fini(9)amdgpu_fence_driver_hw_init(9)amdgpu_fence_driver_set_error(9)amdgpu_fence_driver_force_completion(9)amdgpu_ring_set_fence_errors_and_reemit(9)amdgpu_fence_enable_signaling(9)amdgpu_fence_release(9)
β And that's the whole page, bestie! Signing off from ./drivers/gpu/drm/amd/amdgpu, dated October 2026 β stay slay, keep your grace periods respected, and may your fences always free on time π
π₯π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms